PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21294Damper Arm

Gaylord Marine Services, Inc. · NSN 4930-01-528-9564 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-01-528-9564 — this item is cataloged by the U.S. Government under National Stock Number 4930-01-528-9564. Primary manufacturer part number: 21294.
Features
  • Damper Arm — FSC 4930
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Gaylord Marine Services, Inc.
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Damper Arm, cataloged under National Stock Number 4930-01-528-9564, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Gaylord Marine Services, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4930-01-528-9564
Primary Part Number21294
Item NameDamper Arm
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerGaylord Marine Services, Inc.
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5977-00-247-5358 INTERCHANGEABLE
Brush,electrical Contact
5945-00-284-3107 INTERCHANGEABLE
Relay,electromagnetic
6520-00-935-7254CD89/92 INTERCHANGEABLE
Carver,dental
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
NM-03-24 ITEM 4 Gaylord Marine Services, Inc. (USA)
21294 PRIMARY Gaylord Marine Services, Inc. (USA)
Related Parts
5977-00-247-5358INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5945-00-284-3107INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6520-00-935-7254INTERCHANGEABLE
CARVER,DENTAL
CD89/92

Frequently Asked Questions

What is NSN 4930-01-528-9564?

NSN 4930-01-528-9564 is a Damper Arm, manufactured by Gaylord Marine Services, Inc., classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-01-528-9564?

NSN 4930-01-528-9564 has 2 cross-referenced part numbers: NM-03-24 ITEM 4 (Gaylord Marine Services, Inc.), 21294 (Gaylord Marine Services, Inc.).

What NSN replaces 4930-01-528-9564?

There are 3 known substitutes for 4930-01-528-9564: 5977-00-247-5358, 5945-00-284-3107, 6520-00-935-7254. Verify interchangeability with system specifications before substitution.

What are the specifications of 21294?

Key specifications for 21294: Material: STEEL CORROSION RESISTING; Part Name Assigned by Controlling Agency: ARM, DAMPER, S/S; Special Features: CONNECTS THE DAMPER CONTROL TO HOOD.; End Item Identification: DAMPER CONTROL. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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